Events That Happened on May 21
- 1991 CEassassination of Rajiv Gandhi
- 2003 CEWorld Health Organization Framework Convention on Tobacco Control
- 1914 CEPeasant Revolt in Albania
- 1938 CETsuyama massacre
- 2014 CETaipei Metro massacre
- 2025 CE2025 killing of Israeli Embassy workers in Washington, D.C.
- 1963 CEVienna Convention on Civil Liability for Nuclear Damage
- 1997 CEConvention on the Law of Non-Navigational Uses of International Watercourses
- 1786 CETreaty of Paris
- 1949 CE1949 East German State Railway strike
- 1980 CEOutline Convention on Transfrontier Co-operation
- 1990 CEHawal massacre
- 2018 CE2018 Brazil truck drivers' strike
- 1945 CEArmistice of Ruda Różaniecka
- 1981 CEMalaysia-United Kingdom Bilateral Investment Treaty
- 1991 CECentral African Republic-Norway Bilateral Investment Treaty
- 1991 CENorway-Slovakia Bilateral Investment Treaty
- 1994 CEParaguay-Romania Bilateral Investment Treaty
- 1996 CEPeople's Republic of China-Zimbabwe Bilateral Investment Treaty
- 1997 CEArgentina-Costa Rica Bilateral Investment Treaty
- 1999 CECosta Rica-Kingdom of the Netherlands Bilateral Investment Treaty
- 2002 CEBahrain-Thailand Bilateral Investment Treaty
- 2007 CEIndia-Mexico Bilateral Investment Treaty
Natural Disasters on May 21
Records from scientific disaster catalogs that fall on this calendar day. All disaster records
- 1792 CEEarthquake — Japan, Kyusyu Island (Ms 6.4)· 15,030 deaths
- 1792 CEUnzendake· 15,000 deaths
- 512 CEEarthquake — China, Shaanxi Province: Yingxian (Ms 7.5)· 5,130 deaths
- 2003 CEEarthquake and tsunami — Algeria, Algiers, Boumerdes, Reghia, Thenia (Mw 6.8)· 2,287 deaths
- 1892 CESorikmarapi· 180 deaths
- 1950 CEEarthquake — Peru, Cusco (Ms 6)· 129 deaths
- 1989 CEFlood: China (1989-05-21)· 84 deaths
- 1997 CEEarthquake — India, Southern: Jabalpur (Mw 5.8)· 56 deaths
- 2021 CEEarthquake — China, Qinghai Province (Mw 7.3)· 20 deaths
- 1991 CEFlood: Jamaica (1991-05-21)· 15 deaths
- 2020 CEFlood: Uganda (2020-05-21)· 8 deaths
- 2016 CESinabung· 7 deaths
- 1932 CEEarthquake — El Salvador, Honduras, Nicaragua (Mw 7.1)· 5 deaths
- 2021 CEEarthquake — China, Yunnan Province: Yangbi, Yongping (Mw 6.1)· 3 deaths
- 1952 CEFlash Flooding: Spain (1952-05-21)· 3 deaths
- 1961 CEFluvial (Riverine) Flooding: Serbia (1961-05-21)· 3 deaths
- 1997 CEEarthquake — Spain, Galicia, Portugal (Mw 5.4)· 2 deaths
- 2012 CEFlash Flooding: France (2012-05-21)· 1 deaths
- 2016 CEFlash Flooding: Greece (2016-05-21)· 1 deaths
- 1999 CEFlood: Russian Federation (1999-05-21)· 0 deaths
- 1960 CEEarthquake — Chile, Central (Mw 8.2)
- 1960 CEM 8.1 - 4 km ESE of Cañete, Chile
- 1962 CEM 7.5 - 262 km WNW of Haveluloto, Tonga